/* Hey Emacs use -*- mode: C -*- */
/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/** \file
    This file defines the vpp control-plane API messages
    used to control the ACL plugin
*/


/** \brief Get the plugin version
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/

define acl_plugin_get_version
{
  u32 client_index;
  u32 context;
};

/** \brief Reply to get the plugin version
    @param context - returned sender context, to match reply w/ request
    @param major - Incremented every time a known breaking behavior change is introduced
    @param minor - Incremented with small changes, may be used to avoid buggy versions
*/

define acl_plugin_get_version_reply
{
  u32 context;
  u32 major;
  u32 minor;
};

/** \brief Access List Rule entry
    @param is_permit - deny (0), permit (1), or permit+reflect(2) action on this rule.
    @param is_ipv6   - IP addresses in this rule are IPv6 (1) or IPv4 (0)
    @param src_ip_addr - Source prefix value
    @param src_ip_prefix_len - Source prefix length
    @param dst_ip_addr - Destination prefix value
    @param dst_ip_prefix_len - Destination prefix length
    @param proto - L4 protocol (http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml)
    @param srcport_or_icmptype_first - beginning of source port or ICMP4/6 type range
    @param srcport_or_icmptype_last - end of source port or ICMP4/6 type range
    @param dstport_or_icmpcode_first - beginning of destination port or ICMP4/6 code range
    @param dstport_or_icmpcode_last - end of destination port or ICMP4/6 code range
    @param tcp_flags_mask - if proto==6, match masked TCP flags with this value
    @param tcp_flags_value - if proto==6, mask to AND the TCP flags in the packet with
*/

typeonly manual_print define acl_rule
{
  u8 is_permit;
  u8 is_ipv6;
  u8 src_ip_addr[16];
  u8 src_ip_prefix_len;
  u8 dst_ip_addr[16];
  u8 dst_ip_prefix_len;
/*
 * L4 protocol. IANA number. 1 = ICMP, 58 = ICMPv6, 6 = TCP, 17 = UDP.
 * 0 => ignore L4 and ignore the ports/tcpflags when matching.
 */
  u8 proto;
/*
 * If the L4 protocol is TCP or UDP, the below
 * hold ranges of ports, else if the L4 is ICMP/ICMPv6
 * they hold ranges of ICMP(v6) types/codes.
 *
 * Ranges are inclusive, i.e. to match "any" TCP/UDP port,
 * use first=0,last=65535. For ICMP(v6),
 * use first=0,last=255.
 */
  u16 srcport_or_icmptype_first;
  u16 srcport_or_icmptype_last;
  u16 dstport_or_icmpcode_first;
  u16 dstport_or_icmpcode_last;
/*
 * for proto = 6, this matches if the
 * TCP flags in the packet, ANDed with tcp_flags_mask,
 * is equal to tcp_flags_value.
 */
  u8 tcp_flags_mask;
  u8 tcp_flags_value;
};

/** \brief MACIP Access List Rule entry
    @param is_permit - deny (0), permit (1) action on this rule.
    @param is_ipv6   - IP addresses in this rule are IPv6 (1) or IPv4 (0)
    @param src_mac - match masked source MAC address against this value
    @param src_mac_mask - AND source MAC address with this value before matching
    @param src_ip_addr - Source prefix value
    @param src_ip_prefix_len - Source prefix length
*/

typeonly manual_print define macip_acl_rule
{
  u8 is_permit;
  u8 is_ipv6;
/*
 * The source mac of the packet ANDed with src_mac_mask.
 * The source ip[46] address in the packet is matched
 * against src_ip_addr, with src_ip_prefix_len set to 0.
 *
 * For better performance, minimize the number of
 * (src_mac_mask, src_ip_prefix_len) combinations
 * in a MACIP ACL.
 */
  u8 src_mac[6];
  u8 src_mac_mask[6];
  u8 src_ip_addr[16];
  u8 src_ip_prefix_len;
};

/** \brief Replace an existing ACL in-place or create a new ACL
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param acl_index - an existing ACL entry (0..0xfffffffe) to replace, or 0xffffffff to make new ACL
    @param tag - a string value stored along with the ACL, for descriptive purposes
    @param count - number of ACL rules
    @r - Rules for this access-list
*/

manual_print manual_endian define acl_add_replace
{
  u32 client_index;
  u32 context;
  u32 acl_index; /* ~0 to add, existing ACL# to replace */
  u8 tag[64]; /* What gets in here gets out in the corresponding tag field when dumping the ACLs. */
  u32 count;
  vl_api_acl_rule_t r[count];
};

/** \brief Reply to add/replace ACL
    @param context - returned sender context, to match reply w/ request
    @param acl_index - index of the updated or newly created ACL
    @param retval 0 - no error
*/

define acl_add_replace_reply
{
  u32 context;
  u32 acl_index;
  i32 retval;
};

/** \brief Delete an ACL
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param acl_index - ACL index to delete
*/

manual_print define acl_del
{
  u32 client_index;
  u32 context;
  u32 acl_index;
};

/** \brief Reply to delete the ACL
    @param context - returned sender context, to match reply w/ request
    @param retval 0 - no error
*/

define acl_del_reply
{
  u32 context;
  i32 retval;
};

/* acl_interface_add_del(_reply) to be deprecated in lieu of acl_interface_set_acl_list */
/** \brief Use acl_interface_set_acl_list instead
    Append/remove an ACL index to/from the list of ACLs checked for an interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add or delete the ACL index from the list
    @param is_input - check the ACL on input (1) or output (0)
    @param sw_if_index - the interface to alter the list of ACLs on
    @param acl_index - index of ACL for the operation
*/

manual_print define acl_interface_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
/*
 * is_input = 0 => ACL applied on interface egress
 * is_input = 1 => ACL applied on interface ingress
 */
  u8 is_input;
  u32 sw_if_index;
  u32 acl_index;
};

/** \brief Reply to alter the ACL list
    @param context - returned sender context, to match reply w/ request
    @param retval 0 - no error
*/

define acl_interface_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set the vector of input/output ACLs checked for an interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - the interface to alter the list of ACLs on
    @param count - total number of ACL indices in the vector
    @param n_input - this many first elements correspond to input ACLs, the rest - output
    @param acls - vector of ACL indices
*/

manual_print define acl_interface_set_acl_list
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 count;
  u8 n_input; /* First n_input ACLs are set as a list of input ACLs, the rest are applied as output */
  u32 acls[count];
};

/** \brief Reply to set the ACL list on an interface
    @param context - returned sender context, to match reply w/ request
    @param retval 0 - no error
*/

define acl_interface_set_acl_list_reply
{
  u32 context;
  i32 retval;
};

/** \brief Dump the specific ACL contents or all of the ACLs' contents
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param acl_index - ACL index to dump, ~0 to dump all ACLs
*/

define acl_dump
{
  u32 client_index;
  u32 context;
  u32 acl_index; /* ~0 for all ACLs */
};

/** \brief Details about a single ACL contents
    @param context - returned sender context, to match reply w/ request
    @param acl_index - ACL index whose contents are being sent in this message
    @param tag - Descriptive tag value which was supplied at ACL creation
    @param count - Number of rules in this ACL
    @param r - Array of rules within this ACL
*/

manual_endian manual_print define acl_details
{
  u32 context;
  u32 acl_index;
  u8 tag[64]; /* Same blob that was supplied to us when creating the ACL, one hopes. */
  u32 count;
  vl_api_acl_rule_t r[count];
};

/** \brief Dump the list(s) of ACL applied to specific or all interfaces
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to dump the ACL list for
*/

define acl_interface_list_dump
{
  u32 client_index;
  u32 context;
  u32 sw_if_index; /* ~0 for all interfaces */
};

/** \brief Details about a single ACL contents
    @param context - returned sender context, to match reply w/ request
    @param sw_if_index - interface for which the list of ACLs is applied
    @param count - total length of acl indices vector
    @param n_input - this many of indices in the beginning are input ACLs, the rest - output
    @param acls - the vector of ACL indices
*/

define acl_interface_list_details
{
  u32 context;
  u32 sw_if_index;
  u8 count;
  u8 n_input;
  u32 acls[count];
};

/** \brief Add a MACIP ACL
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param tag - descriptive value for this MACIP ACL
    @param count - number of rules in this ACL
    @param r - vector of MACIP ACL rules
*/

manual_endian manual_print define macip_acl_add
{
  u32 client_index;
  u32 context;
  u8 tag[64];
  u32 count;
  vl_api_macip_acl_rule_t r[count];
};

/** \brief Reply to add MACIP ACL
    @param context - returned sender context, to match reply w/ request
    @param acl_index - index of the newly created ACL
    @param retval 0 - no error
*/

define macip_acl_add_reply
{
  u32 context;
  u32 acl_index;
  i32 retval;
};

/** \brief Delete a MACIP ACL
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param acl_index - MACIP ACL index to delete
*/

manual_print define macip_acl_del
{
  u32 client_index;
  u32 context;
  u32 acl_index;
};

/** \brief Reply to delete the MACIP ACL
    @param context - returned sender context, to match reply w/ request
    @param retval 0 - no error
*/

define macip_acl_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add or delete a MACIP ACL to/from interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add (1) or delete (0) ACL from being used on an interface
    @param sw_if_index - interface to apply the action to
    @param acl_index - MACIP ACL index
*/

manual_print define macip_acl_interface_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  /* macip ACLs are always input */
  u32 sw_if_index;
  u32 acl_index;
};

/** \brief Reply to apply/unapply  the MACIP ACL
    @param context - returned sender context, to match reply w/ request
    @param retval 0 - no error
*/

define macip_acl_interface_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Dump one or all defined MACIP ACLs
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param acl_index - MACIP ACL index or ~0 to dump all ACLs
*/

define macip_acl_dump
{
  u32 client_index;
  u32 context;
  u32 acl_index; /* ~0 for all ACLs */
};

/** \brief Details about one MACIP ACL
    @param context - returned sender context, to match reply w/ request
    @param acl_index - index of this MACIP ACL
    @param tag - descriptive tag which was supplied during the creation
    @param count - length of the vector of MACIP ACL rules
    @param r - rules comprising this ACL
*/

manual_endian manual_print define macip_acl_details
{
  u32 context;
  u32 acl_index;
  u8 tag[64];
  u32 count;
  vl_api_macip_acl_rule_t r[count];
};

/** \brief Get the vector of MACIP ACL IDs applied to the interfaces
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/

define macip_acl_interface_get
{
  u32 client_index;
  u32 context;
};

/** \brief Reply with the vector of MACIP ACLs by sw_if_index
    @param context - returned sender context, to match reply w/ request
    @param count - total number of elements in the vector
    @param acls - the vector of active MACACL indices per sw_if_index
*/

define macip_acl_interface_get_reply
{
  u32 context;
  u32 count;
  u32 acls[count];
};